Collection: Marine Plumbing & Ventilation - Fittings

Make the connection. Build a dependable onboard plumbing system.

Explore marine plumbing fittings designed to connect, route and adapt hoses and components throughout your boat’s water and plumbing systems. From freshwater and washdown systems to bilge, livewell, sanitation and drainage applications, the right fittings help bring every part of your marine plumbing setup together.

Shop marine hose fittings, boat plumbing fittings, hose barbs, elbows, tees, adapters, couplings, reducers, threaded fittings, quick-connect fittings and plumbing connectors for sailboats, powerboats, fishing boats, pontoons, cruisers, yachts and other marine applications.

Whether you're repairing an existing plumbing connection, installing a new pump, changing hose sizes or building a complete onboard water system, Roam & Harbor makes it easier to find marine fittings and connectors for the job.

Pair your fittings with compatible marine hose, pumps, valves, strainers, water tanks, faucets and plumbing accessories to complete your installation.

Always verify hose diameter, fitting size, thread type, connection style, material, pressure requirements, fluid compatibility and manufacturer specifications when selecting marine plumbing fittings.

Connect the system. Keep it flowing. Adventure Starts Here.™